/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/* $Id: oss_mixer.c 42 2007-07-25 06:45:00Z kf701.ye $ */

#include "ossutil.h"

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include <sys/ioctl.h>
#include <sys/soundcard.h>

#define  BASE_VALUE 257

bool set_oss_mixer(int devno, int value)
{
	int mixer_fd = open("/dev/mixer",O_RDWR);
	if( mixer_fd < 0 )
		return false;

	int set_value=BASE_VALUE * value;

	if(ioctl(mixer_fd,MIXER_WRITE(devno),&set_value))
	{
		close( mixer_fd );
		return false;
	}

	close( mixer_fd );
	return true;
}
